Last change
on this file since 8512 was 6069, checked in by stoecker, 11 years ago |
see #8853 remove tabs, trailing spaces, windows line ends, strange characters
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File size:
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1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.projection.datum;
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3 |
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4 | import org.openstreetmap.josm.data.coor.LatLon;
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5 | import org.openstreetmap.josm.data.projection.Ellipsoid;
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6 |
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7 | /**
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8 | * Datum provides 3 dimensional offset and ellipsoid conversion.
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9 | */
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10 | public class ThreeParameterDatum extends AbstractDatum {
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11 |
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12 | protected double dx, dy, dz;
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13 |
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14 | public ThreeParameterDatum(String name, String proj4Id, Ellipsoid ellps, double dx, double dy, double dz) {
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15 | super(name, proj4Id, ellps);
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16 | this.dx = dx;
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17 | this.dy = dy;
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18 | this.dz = dz;
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19 | }
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20 |
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21 | @Override
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22 | public LatLon toWGS84(LatLon ll) {
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23 | double[] xyz = ellps.latLon2Cart(ll);
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24 | xyz[0] += dx;
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25 | xyz[1] += dy;
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26 | xyz[2] += dz;
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27 | return Ellipsoid.WGS84.cart2LatLon(xyz);
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28 | }
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29 |
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30 | @Override
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31 | public LatLon fromWGS84(LatLon ll) {
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32 | double[] xyz = Ellipsoid.WGS84.latLon2Cart(ll);
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33 | xyz[0] -= dx;
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34 | xyz[1] -= dy;
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35 | xyz[2] -= dz;
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36 | return this.ellps.cart2LatLon(xyz);
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37 | }
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38 |
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39 | }
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